English verb conjugation
MUST PRECALCULATE

Regular verb: precalculate - precalculated - precalculated

Affirmation

Simple form	V-ing form
I must precalculate you must precalculate he must precalculate we must precalculate you must precalculate they must precalculate	I must be precalculating you must be precalculating he must be precalculating we must be precalculating you must be precalculating they must be precalculating
Perfect	V-ing perfect
I must have precalculated you must have precalculated he must have precalculated we must have precalculated you must have precalculated they must have precalculated	I must have been precalculating you must have been precalculating he must have been precalculating we must have been precalculating you must have been precalculating they must have been precalculating

Negation

Simple form	V-ing form
I mustn't precalculate you mustn't precalculate he mustn't precalculate we mustn't precalculate you mustn't precalculate they mustn't precalculate	I mustn't be precalculating you mustn't be precalculating he mustn't be precalculating we mustn't be precalculating you mustn't be precalculating they mustn't be precalculating
Perfect	V-ing perfect
I mustn't have precalculated you mustn't have precalculated he mustn't have precalculated we mustn't have precalculated you mustn't have precalculated they mustn't have precalculated	I mustn't have been precalculating you mustn't have been precalculating he mustn't have been precalculating we mustn't have been precalculating you mustn't have been precalculating they mustn't have been precalculating

Interrogative form

Simple form	V-ing form
must I precalculate? must you precalculate? must he precalculate? must we precalculate? must you precalculate? must they precalculate?	must I be precalculating? must you be precalculating? must he be precalculating? must we be precalculating? must you be precalculating? must they be precalculating?
Perfect	V-ing perfect
must I have precalculated? must you have precalculated? must he have precalculated? must we have precalculated? must you have precalculated? must they have precalculated?	must I have been precalculating? must you have been precalculating? must he have been precalculating? must we have been precalculating? must you have been precalculating? must they have been precalculating?

Interro-negative form

Simple form	V-ing form
mustn't I precalculate? mustn't you precalculate? mustn't he precalculate? mustn't we precalculate? mustn't you precalculate? mustn't they precalculate?	mustn't I be precalculating? mustn't you be precalculating? mustn't he be precalculating? mustn't we be precalculating? mustn't you be precalculating? mustn't they be precalculating?
Perfect	V-ing perfect
mustn't I have precalculated? mustn't you have precalculated? mustn't he have precalculated? mustn't we have precalculated? mustn't you have precalculated? mustn't they have precalculated?	mustn't I have been precalculating? mustn't you have been precalculating? mustn't he have been precalculating? mustn't we have been precalculating? mustn't you have been precalculating? mustn't they have been precalculating?